Finding the Fourth Proportional to 222,671.92, 307,306.72 and 122,089.36
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Solution
The fourth proportional to 222,671.92, 307,306.72 and 122,089.36 is: 168,493.99
Step by Step Solution
- Step 1: Write the proportion equation
222,671.92 : 307,306.72 = 122,089.36 : x - Step 2: Convert to fraction form
222,671.92/307,306.72 = 122,089.36/x - Step 3: Cross multiply
222,671.92x = 307,306.72 × 122,089.36 - Step 4: Simplify right side
222,671.92x = 37,518,880,768.50 - Step 5: Solve for x
x = 37,518,880,768.50/222,671.92 - Step 6: Final answer
x = 168,493.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.